CSharp将图像文件压缩为AVI文件播放.docVIP

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CSharp将图像文件压缩为AVI文件播放.doc

C#将图像文件压缩为AVI文件播放2008-01-14 15:25 4014人阅读 评论(21) 收藏 举报 using?System; using?System.Runtime.InteropServices; using?System.Drawing; using?System.Drawing.Imaging; namespace?org.loon.util { ????///?summary ????///?AVIWriter?的摘要说明,chenpeng,Email:ceponline@。 ????///?/summary ????public?class?AVIWriter ????{ ????????const?string?AVIFILE32?=?AVIFIL32; ????????private?int?_pfile?=?0; ????????private?IntPtr?_ps?=?new?IntPtr(0); ????????private?IntPtr?_psCompressed?=?new?IntPtr(0); ????????private?UInt32?_frameRate?=?0; ????????private?int?_count?=?0; ????????private?UInt32?_width?=?0; ????????private?UInt32?_stride?=?0; ????????private?UInt32?_height?=?0; ????????//avi标识 ????????private?UInt32?_fccType?=?1935960438;?//?vids ????????private?UInt32?_fccHandler?=?808810089;//?IV50 ???? ????????private?Bitmap?_bmp; ????????[DllImport(AVIFILE32)] ????????private?static?extern?void?AVIFileInit(); ????????[DllImport(AVIFILE32)] ????????private?static?extern?int?AVIFileOpenW(ref?int?ptr_pfile,?[MarshalAs(UnmanagedType.LPWStr)]string?fileName,?int?flags,?int?dummy); ????????[DllImport(AVIFILE32)] ????????private?static?extern?int?AVIFileCreateStream(int?ptr_pfile,?out?IntPtr?ptr_ptr_avi,?ref?AVISTREAMINFOW?ptr_streaminfo); ????????[DllImport(AVIFILE32)] ????????private?static?extern?int?AVIMakeCompressedStream(out?IntPtr?ppsCompressed,?IntPtr?aviStream,?ref?AVICOMPRESSOPTIONS?ao,?int?dummy); ????????[DllImport(AVIFILE32)] ????????private?static?extern?int?AVIStreamSetFormat(IntPtr?aviStream,?Int32?lPos,?ref?BITMAPINFOHEADER?lpFormat,?Int32?cbFormat); ????????[DllImport(AVIFILE32)] ????????unsafe?private?static?extern?int?AVISaveOptions(int?hwnd,?UInt32?flags,int?nStreams,?IntPtr*?ptr_ptr_avi,?AVICOMPRESSOPTIONS**?ao); ????????[DllImport(AVIFILE32)] ????????private?static?extern?int?AVIStreamWrite(IntPtr?aviStream,?Int32?lStart,Int32?lSamples,?IntPtr?lpBuffer,?Int32?cbBuffer,?Int32?dwFlags,?Int32?dummy1,?Int32?dummy2); ????????[DllImport(AVIFILE32)] ????????private?static?ext

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